in the latest manueverings, the obama administration points out the typical american household will pay $2,200 in additional taxes next year, which could hurt consumer spending by $200 billion in 2013 and threaten christmas shopping this season. house speaker john boehner and a few other key republicans appear willing to consider tax hikes. billionaire warren buffett chimes in that tax hikes won't stop the wealthy from investing. in our cover story, the woman who led the securities and exchange commission after the 2008 financial crisis is stepping down. mary schapiro took over an agency under fire for ignoring repeated warnings about the bernie madoff ponzi scheme. in 2008, the regulatory sec was itself under scrutiny, critized for failing to anticipate the lehman brothers bankruptcy, which sent financial markets reeling, and also missing the warning signs of bernie madoff's multi-billion dollar ponzi scheme. "before she got there, they almost needed someone to come in and confess." mary schapiro, who president obama said will be replaced by commissioner elisse walter, overhauled sec e